1. Introduction
Thank you for choosing the AULA AU75 Gaming Mechanical Keyboard. This manual provides detailed instructions on how to set up, operate, and maintain your keyboard to ensure optimal performance and longevity. The AU75 is a versatile 81-key keyboard featuring tri-mode connectivity (2.4G wireless, Bluetooth, and wired), hot-swappable switches, vibrant RGB backlighting, and a multi-function knob for enhanced user experience.
Figure 1: AULA AU75 Gasket 3 in 1 Keyboard Overview
2. Key Features
- Hot-Swappable Switches: Easily change switches without soldering, allowing for personalized typing feel.
- Mechanical Operation: Provides precise and responsive keystrokes for gaming and typing.
- Compact 81-Key Layout: Space-saving design without compromising essential functionality.
- Tri-Mode Connection: Supports 2.4G wireless, Bluetooth, and wired (USB Type-C) connections for versatile use across multiple devices.
- Multicolor RGB Backlighting: Customizable lighting effects to enhance aesthetics and visibility.
- Gasket Structure: Improves typing feel and sound by isolating the plate from the case.
- Five-Layer Sound Structure: Incorporates PO sound deadening foam, IXPE under-switch pad, PET spacer, PO Bottom Cotton, and Silicone bottom pad for a purer knocking sound.
- Multi-Function Knob: Allows for quick adjustment of lighting effects (Game Mode) and volume (Office Mode).
- Durable PBT Keycaps: Wear-resistant two-color injection molding process ensures long-lasting legends and comfortable feel.
- High-Endurance Battery: Built-in 4000mAh battery provides approximately 266 hours of battery life (with default lighting off).
Figure 2: AULA AU75 Key Features
3. Package Contents
The AULA AU75 keyboard package typically includes:
- AULA AU75 Mechanical Keyboard
- USB Type-C Cable
- 2.4G Wireless Receiver
- User Manual (this document)
4. Setup and Connection
The AULA AU75 keyboard offers three connection methods: 2.4G Wireless, Bluetooth, and Wired (USB Type-C).
Figure 3: Tri-Mode Connection Methods
4.1. Switching Connection Modes
Use the switch located on the top right side of the keyboard to select your desired connection mode:
- 2.4G Wireless Mode: Slide the switch to '2.4G'. Press
FN + ~to activate 2.4G pairing mode if needed. Insert the 2.4G receiver into your computer's USB port. - Bluetooth Mode: Slide the switch to 'BT'. Press
FN + 1!for BT1,FN + 2@for BT2, orFN + 3#for BT3 to select a Bluetooth channel. The indicator light will flash, indicating pairing mode. On your device, search for "AULA AU75" and connect. - Wired Mode: Slide the switch to 'USB' (or 'AULA' as indicated on some models). Connect the keyboard to your computer using the provided USB Type-C cable.
Video 1: Demonstration of keyboard typing sound and RGB lighting effects.
4.2. Charging Instructions
Connect the keyboard to a power source using the provided USB Type-C cable. The charging voltage/current is DC 5V/≤800mA. The keyboard has a 4000mAh battery. A full charge provides approximately 266 hours of use with default lighting off.
Figure 4: High-Endurance Battery Information
5. Operating Instructions
5.1. FN Function Key Combinations
The keyboard features powerful FN key combinations for multimedia control and system functions:
| Combination | Function |
|---|---|
FN + ESC | Restore Factory Settings |
FN + F1 | Home |
FN + F2 | |
FN + F3 | Convert Window ALT+TAB |
FN + F4 | Open Explorer WIN+E |
FN + F5 | Screen Brightness - |
FN + F6 | Screen Brightness + |
FN + F7 | Previous Song |
FN + F8 | Play/Pause |
FN + F9 | Next Song |
FN + F10 | Mute |
FN + F11 | Volume - |
FN + F12 | Volume + |
FN + ~ | Switch 2.4G Mode |
FN + 1! | Bluetooth Channel 1 |
FN + 2@ | Bluetooth Channel 2 |
FN + 3# | Bluetooth Channel 3 |
FN + W | Switch WASD and Arrow Keys |
FN + Win | Lock/Unlock Windows Key |
FN + Alt | Switch Alt and Win Keys |
FN + Ctrl | Switch Ctrl and Caps Lock Keys |
FN + Shift | Switch Shift and Fn Keys |
FN + Space | Reset Keyboard |
Figure 5: FN Function Key Combinations
5.2. Multi-Function Knob
The upgraded multi-function knob provides quick adjustments. Long press the knob to switch between modes:
- Game Mode (Lighting Adjustment): Rotate the knob clockwise to increase light effect brightness, counter-clockwise to decrease.
- Office Mode (Music Adjustment): Rotate the knob clockwise to increase volume, counter-clockwise to decrease. Press the knob down to mute/unmute.
Figure 6: Multi-Function Knob Operation
5.3. RGB Lighting Control
The keyboard supports 17 switchable backlight effects. Use the following FN key combinations to control the RGB lighting:
FN + Enter: Switch RGB lighting modes.FN + PgUp: Increase RGB lighting brightness.FN + PgDn: Decrease RGB lighting brightness.FN + Left Arrow: Decrease RGB lighting speed.FN + Right Arrow: Increase RGB lighting speed.FN + Up Arrow: Switch RGB lighting color.FN + Down Arrow: Switch RGB lighting direction.
Figure 7: RGB Light Effects
6. Maintenance
6.1. Cleaning
To clean your keyboard, disconnect it from your computer. Use a soft, lint-free cloth dampened with a small amount of water or a mild cleaning solution. Avoid spraying liquids directly onto the keyboard. For cleaning between keycaps, use compressed air or a small brush.
6.2. Hot-Swappable Switches
The AULA AU75 features a PCB positioning plate that supports full-key hot-swapping. This allows you to easily remove and replace mechanical switches without soldering. Use the provided switch puller tool to carefully remove switches. Ensure new switches are aligned correctly before pressing them into place.
Figure 8: Hot-Swappable PCB Positioning Plate
6.3. Keycaps
The keyboard is equipped with PBT two-color injection molded keycaps, known for their durability and resistance to wear and shine. To remove keycaps, use a keycap puller tool. When replacing, ensure the keycap is correctly oriented and gently press it onto the switch stem.
Figure 9: PBT Two-Color Injection Moulded Keycaps
7. Troubleshooting
- Keyboard not responding: Ensure the keyboard is properly connected (wired, 2.4G receiver, or Bluetooth paired). Check the battery level if using wireless modes. Try switching to a different USB port or restarting your computer.
- Wireless connectivity issues: Ensure the 2.4G receiver is securely plugged in or Bluetooth is properly paired. Move the keyboard closer to the receiver/device to reduce interference. Avoid using the 2.4G receiver near other wireless devices that might cause interference.
- RGB lighting not working: Check the lighting brightness settings using
FN + PgUp/PgDn. Ensure the keyboard is not in a mode where lighting is disabled. - Keys not registering: If specific keys are not working, try removing and re-inserting the switch for that key, as it might be loose due to the hot-swappable feature.
- Unexpected behavior: Try resetting the keyboard to factory settings by pressing
FN + ESC.
8. Specifications
| Feature | Detail |
|---|---|
| Number of Keys | 81 keys |
| Product Dimensions (L×W×H) | 336.34mm × 147.3mm × 44.31mm (±1mm) |
| Product Weight | 977.3g (including wire/receiver) |
| Charging Voltage/Current | DC 5V/≤800mA |
| Rated Voltage | DC 3.7V |
| Battery Capacity | 4000mAh |
| Battery Life (lights off) | Approx. 266 hours |
| Charging Interface | Type-C |
| Computer System Requirements | Windows WIN XP/7/8/10, MAC, Android, iOS |
| Operation Style | Mechanical |
| Backlight Type | MULTICOLOR (RGB) |
| Keycup Material | PBT plastic |
| Switches Hot Swap | Yes |
| Interface Type | USB, Bluetooth / USB (Tri-mode) |
| Certification | CE, FCC |
Figure 10: Product Dimensions
8.1. Seiya Switch Specifications
| Property | Value |
|---|---|
| Product Name | Seiya Switch |
| Top Housing | PC |
| Stem Material | POM |
| Bottom Housing | PA |
| Switch Type | Linear Switch |
| Total Travel | 3.5 ± 0.3mm |
| Actuation Force | 40 ± 3gf |
| Initial Force | 32gf Min |
| Bottom-Out Force | 55 ± 3gf |
| Actuation Travel | 1.8 ± 0.3mm |
| Mechanical Life | Approx. 60,000,000 times |
Figure 11: Seiya Switch Specifications and Force Diagram
9. User Tips
- Enjoy Customization: Take advantage of the hot-swappable switches to experiment with different switch types and find your preferred typing feel.
- Optimize Aesthetics: Explore the 17 different RGB lighting effects and customize them using the FN keys or the multi-function knob to match your setup or mood.
- Versatile Connectivity: Utilize the tri-mode connection to seamlessly switch between your desktop, laptop, tablet, and phone, enhancing productivity and gaming across devices.
- Sound Experience: The keyboard's five-layer sound structure is designed for a pure knocking sound; appreciate the acoustic feedback during use.
10. Warranty and Support
For any inquiries, technical support, or issues encountered with your AULA AU75 keyboard, please contact the seller or manufacturer's customer service. Refer to the original purchase documentation for specific warranty terms and conditions.
A digital version of this user manual is available for download. For more information, you may refer to the official AULA website: www.aulestar.com